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Seat Heating Connectors

Jean Mercier

GG#920
Grenadier Owner
Lifetime Supporter
Local time
11:29 PM
Joined
Sep 10, 2022
Messages
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Location
Sint-Martens-Latem, Belgium
I "almost" have a Trialmaster without seat heating, but the wiring and connectors are available, see pictures:

20230303_150745.jpg

20230303_151033.jpg
 
Nowadays, most manufacture install almost all wiring harness for a fully kitted out vehicle because it is cheaper and does not hold up the line to keep checking what wiring is need for what. You could theoretically, get a third party to install coil in the seats and put a switch in since the wiring is all done.
 
How silly, with BMW you just ring up customer services and sort out your monthly direct debit and your heating seats just start working.

If you speak nicely they will even throw in the ABS add on for free 😝
 
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But it does give you two extra power sources for other things that are probably wired back to the blank panels behind the dash

Now that is a bloody good point. I suppose you could actually get an aftermarket seat cover that heated up anyway and plug it straight into the connectors. Would save trying to retrofit coils in seats. Taking it one step further you could also have a summer cooling cover (if there is such a thing).
 
But it does give you two extra power sources for other things that are probably wired back to the blank panels behind the dash
Go one step better , maybe into Lexus territory , and snag one of these off alibaba. Will help all those aches and pains on those 8 hour drives everybody is doing.
product-image-1422953357_meitu_2_1080x.jpg
 
Now that is a bloody good point. I suppose you could actually get an aftermarket seat cover that heated up anyway and plug it straight into the connectors. Would save trying to retrofit coils in seats. Taking it one step further you could also have a summer cooling cover (if there is such a thing).
I was thinking radio/communications/sound system
 
Only if they are from Martin Baker.

In which case you would also need a Bremont MBii wristwatch with orange barrel case. The only Martin Baker certified watch that can be fired through the safari windows.

Reassuring for the wearer that whilst the emergency services are scraping their head off the IG roof lining, at least the watch can be passed onto loved ones in pristine condition. 😊
 
So did you find out, is there wiring from the seat to the dashboard?
That is a good question. Was so frustrated when I ordered mine, that they prevented me having heated seats after I signed the order.

Therefore the questions are:

1) is the wiring pre-installed at the seat and behind the switch?
2) If so, what price the switches for the dash?
3) What is needed at the seat?
 
That is a good question. Was so frustrated when I ordered mine, that they prevented me having heated seats after I signed the order.

Therefore the questions are:

1) is the wiring pre-installed at the seat and behind the switch?
2) If so, what price the switches for the dash?
3) What is needed at the seat?
No wiring. The seat switches are an integrated part of the circuit board behind the grey panel, so no easy retrofit possible.

However, fibreglass heating mats can be added to the seats although requiring a fair amount of dismantling. If you look at the seat plastics there are already some cut outs where you could install the switches.
Not beyond the competent diy'er. Plenty of videos on Youtube if that is your thing. While not exactly the same, this should give you idea of the work involved.

View: https://www.youtube.com/watch?v=d_rSXz2Z1Vw
 
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